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📉 PRICE DROP
3-pack 511 Replacement Filter for Blueair Blue Pure 511 Air Purifier
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 27, 2026 6:35 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰At 9% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The listed retail price is trimmed by 10% at checkout.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- 📈Pricing has been trending lower — momentum that adds further appeal to this deal.
How We Scored This Deal
Price Competitiveness
11.2/28
Recent Value
14.67/22
Market Standing
18.08/20
Deal Strength
5/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
DKSports
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Compatibility】: This 511 replacement filter fully compatible with BLUEAIR Blue Pure 511 Air Purifier ONLY. Not ❌Compatible with (511i) Max Air Purifier
✓【Attention Please】:This Filter is ONLY compatible with 511 Air Purifier, Not ❌compatible with 211+ and 211+ Auto, 411i max, 411a max, 311, 121, or other models, Please check the model number before placing the order
✓【High Efficient Filltering】：The HEPA filt-er Clean at least 99.97% of tiny airborne particles like smoke down to 0.1 microns, and clean pet dander, and dust, The activated carbon filt-er clean up light household from smoking, pets, and cooking fume
✓【Performance Peak】：For your machine performance peak, based on actual usage the filter should be replaced every 6 months, it's easy to install, and no tools are required.
✓【We Treasure Our Customers】: If you have any questions about our product, please feel free to contact us, and we'll solve them within 24 hours, Filter made of FSC-Certified paper
⚙️ Specifications
Brand
iSingo
Material
Paper with HEPA and Activated Carbon
Product Dimensions
11.2"L x 8"W x 2.7"Th
Compatible Devices
Compatible with Blue Air Blue Pure 511 Air Purifier
Item Weight
1.5 pounds
Number of Items
3
Manufacturer
iSingo
Unit Count
3 Count
Item Highlight
True HEPA Filters and Activated Carbon Filter
Compatible Hvac Systems
residential
Item Dimensions L x W x Thickness
11.2"L x 8"W x 2.7"Th
